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Regulatory Capital Requirements (Details) - USD ($) $ in Thousands | Jan. 01, 2019 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Tier 1 common equity, (to risk-weighted assets), Actual Amount |  | $ 100,839 |
Tier 1 common equity, (to risk-weighted assets), Actual Ratio (as a percent) |  | 10.10% |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount |  | $ 44,881 |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) |  | 4.50% |
Capital |  | $ 122,190 | $ 101,033
Capital to Risk Weighted Assets |  | 12.30% | 13.80%
Capital Required for Capital Adequacy |  | $ 79,789 | $ 58,777
Capital Required for Capital Adequacy to Risk Weighted Assets |  | 8.00% | 8.00%
Tier 1 capital (to risk-weighted assets), Actual Amount |  | $ 100,839 | $ 92,233
Tier 1 capital (to risk-weighted assets), Actual Ratio (as a percent) |  | 10.10% | 12.60%
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount |  | $ 59,842 | $ 29,388
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) |  | 6.00% | 4.00%
Tier 1 capital (to average assets), Actual Amount |  | $ 100,839 | $ 92,233
Tier 1 capital (to average assets), Actual Ratio (as a percent) |  | 8.30% | 9.90%
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount |  | $ 48,713 | $ 37,381
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent) |  | 4.00% | 4.00%
Bank |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Tier 1 common equity, (to risk-weighted assets), Actual Amount |  | $ 104,434 |
Tier 1 common equity, (to risk-weighted assets), Actual Ratio (as a percent) |  | 10.50% |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount |  | $ 44,768 |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) |  | 4.50% |
Tier One Common Equity Required to be Well Capitalized |  | $ 64,664 |
Tier One Common Equity Required to be Well Capitalized to Risk Weighted Assets |  | 6.50% |
Capital |  | $ 112,785 | $ 89,177
Capital to Risk Weighted Assets |  | 11.30% | 12.20%
Capital Required for Capital Adequacy |  | $ 79,587 | $ 58,600
Capital Required for Capital Adequacy to Risk Weighted Assets |  | 8.00% | 8.00%
Capital Required to be Well Capitalized |  | $ 99,484 | $ 73,250
Capital Required to be Well Capitalized to Risk Weighted Assets |  | 10.00% | 10.00%
Tier 1 capital (to risk-weighted assets), Actual Amount |  | $ 104,434 | $ 83,377
Tier 1 capital (to risk-weighted assets), Actual Ratio (as a percent) |  | 10.50% | 11.40%
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount |  | $ 59,690 | $ 29,300
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) |  | 6.00% | 4.00%
Tier 1 capital (to risk-weighted assets), Minimum to be Wel Capitalized Under Prompt Corrective Actions, Amount |  | $ 79,587 | $ 43,950
Tier 1 capital (to risk-weighted assets), Minimum to be Wel Capitalized Under Prompt Corrective Actions, Ratio (as a percent) |  | 8.00% | 6.00%
Tier 1 capital (to average assets), Actual Amount |  | $ 104,434 | $ 83,377
Tier 1 capital (to average assets), Actual Ratio (as a percent) |  | 8.60% | 8.90%
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount |  | $ 48,636 | $ 37,303
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent) |  | 4.00% | 4.00%
Tier 1 capital (to average assets), Minimum to be Well Capitalized Under Prompt Corrective Actions, Amount |  | $ 60,796 | $ 46,629
Tier 1 capital (to average assets), Minimum to be Well Capitalized Under Prompt Corrective Actions, Ratio (as a percent) |  | 5.00% | 5.00%
Scenario, Forecast |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount | $ 69,815 |  |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) | 7.00% |  |
Capital Required for Capital Adequacy | $ 104,723 |  |
Capital Required for Capital Adequacy to Risk Weighted Assets | 10.50% |  |
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount | $ 84,776 |  |
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) | 8.50% |  |
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount | $ 48,713 |  |
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent) | 4.00% |  |
Scenario, Forecast | Bank |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Actual Amount | $ 69,639 |  |
Tier 1 common equity, (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) | 7.00% |  |
Capital Required for Capital Adequacy | $ 104,458 |  |
Capital Required for Capital Adequacy to Risk Weighted Assets | 10.50% |  |
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Amount | $ 84,561 |  |
Tier 1 capital (to risk-weighted assets), Minimum Capital Requirement, Ratio (as a percent) | 8.50% |  |
Tier 1 capital (to average assets), Minimum Capital Requirement, Amount | $ 48,636 |  |
Tier 1 capital (to average assets), Minimum Capital Requirement, Ratio (as a percent) | 4.00% |  |

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- Definition The amount of total capital as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 + Details
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- Definition The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 + Details
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- Definition The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 + Details
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- Definition The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition Tier 1 Risk Based Capital as defined in the regulations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 + Details
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- Definition The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 + Details
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- Definition The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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